diff --git a/docs/requirements.txt b/docs/requirements.txt
index c483604..2e1c6a8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.12
 Babel==2.9.1
-certifi==2020.12.5
+certifi==2023.7.22
 chardet==4.0.0
 docutils==0.16
 felling==0.1.3